Anime Like Release the Spyce
If you loved Release the Spyce's Animation and Action & Adventure storytelling, these anime deliver a similar experience — selected for art style, narrative depth, and emotional impact. Each includes where to stream it now.
★ Top Picks

My-Hime
Schoolgirls discover that they have been given the ability to materialize weapons and control robotic beasts called "Children" to stop an evil organization from their plans of domination.

Magical Girl Lyrical Nanoha
Yuuno Scraia is a mage from a distant planet working to fix the problem he started when Jewel Seeds were accidentally spread around the world. In a failed attempt to seal a seed properly, he winds up on Earth in the form of a ferret. However, his battle with the seeds did not end upon reaching the Earth and he needs somebody else's help to seal the seeds for him. Takamachi Nanoha hears his telepathic cries for help and comes to his rescue. When she is given a pearl known as the Raging Heart she is able to transform into Magical Girl Lyrical Nanoha and wield a staff to fend off the evil that lies within the Seeds. In order to help Yuuno complete his mission, she needs to seal all 21 Jewel Seeds away, but Fate may be playing a hand in the matter to prevent Nanoha's goals.

Maria Watches Over Us
When Yumi Fukuzawa entered the Lillian Girls' Academy, a prestigious all-girls Catholic school in Tokyo, she never imagined she would catch the eye of beautiful and demure Sachiko Ogasawara, one of the school's most popular students. Now Sachiko has offered to be Yumi's soeur, her "sister" and guide for all her years at the academy. The whole idea has Yumi completely flustered—after all, they hardly know each other! The entire campus is abuzz with rumors about the two of them, but Yumi is conflicted over accepting Sachiko's offer. While she admires Sachiko, being her soeur would also mean constantly being at the center of the entire school's attention!

Galaxy Express 999
In a distant future, Tetsuro is a human boy who wants his body replaced with a robotic one. This is possible, but to do so he has to reach the Immortal Planet onboard the space train Galaxy Express 999. Maetel, a beautiful and mysterious blonde woman dressed in Russian style, joins him in the long journey through space. Every episode sees our heroes arriving in a new planet's space train station.

Otherside Picnic
Friendless college girl Sorawo finds a door to another world one day — a strangely post-apocalyptic-feeling Otherside with serene emptiness, which becomes her new “special place.” There, she meets one other human, the beautiful and independent Toriko, and they explore the abandoned Otherside together.

GetBackers
Ban Mido and Ginji Amano run a freelance business of recovering anything lost or stolen. They call themselves the GetBackers, and they're a super powered duo.

Ninja Boy Rantaro
Rantarō, Shinbei and Kirimaru are ninja apprentices in the Ninja Gakuen, where first grade ones are called "Nintamas". They must learn everything a ninja must know, but as for our heroes, money, food or playing are more interesting. The series show the everyday adventures of our heroes.

X
It's the year of destiny and 15 year old Kamui Shirō, a powerful psychic, has returned to Toyko after a 6 year absence. He returns to protect his childhood friends, Fūma, and Fūma's younger sister, Kotori. But destiny and fate are haunting Kamui and pulling in himself and his loved ones. It is his destiny to decide the fate of the world and mankind, no matter if he wants the role or not.
More Anime Like Release the Spyce

Queen's Blade
Every few years, beautiful female warriors from across the land compete in the Queen's Blade Tournament to become the ruler of the land. It's a series that loves violence as much as it hates clothes and complicated plots.

RahXephon
Ayato Kamina, a 17-year-old high school student, lives in Tokyo Jupiter oblivious to the world around him, having been raised to believe that the rest of civilization has been destroyed; but everything changes when a mysterious alien civilization invades his home.

Dirty Pair Flash
Kei and Yuri were originally junior auxiliary agents in the Worlds Works and Welfare Agency (W.W.W.A. or 3WA for short) when the two were paired together under the codename "Lovely Angels." Kei was coming off her fourth probation for something she had done, and Yuri's dating exploits were common knowledge, not to mention the two had an instant dislike for each other when they met. At first, Kei and Yuri refused to work with each other, and Kei even resigned from the 3WA. Afterwards, the two continued to work together, although they earned their nickname, "the Dirty Pair" because of all the collateral damage the two (unintentionally) cause in the completion of their cases. And even though the two now get along with one another, they continue to bicker and complain to each other.

Princess Principal
The stage is set during the 19th century London, in its capital where a wall divides the east and west of the Kingdom of Albion. Five high school girls, who enrolled in the prestigious Queens May Fair School, are involved in spy activities that involve disguise, infiltration, car chase, and more. These girls take advantage of their special abilities and fly around the shadow world.

Buso Renkin
The story begins when high school student Kazuki Muto is killed one night saving a mysterious girl from a monster, only to wake up in his school dorm, believing it to have been a dream; however, he soon finds out that dream wasn't a dream at all when a giant serpentine monster attacks him and his sister. Tokiko Tsumura, the girl he saved, explains that the monster is a homunculus. Kazuki had been attacked and killed by it when he was rescuing her; however, she, feeling responsible for him, revived him by placing a Kakugane medallion in his chest, serving as a replacement heart.

The Qwaser of Stigmata
When Mafuyu Oribe and her adopted sister Tomo rescue a strange wounded man, they have no idea what they’re getting involved with or what the consequences will be. Alexander Nikolaevith Hell is an Iron Qwaser, one of many opposing factions of super-warriors.

The Executioner and Her Way of Life
The Lost Ones are wanderers who come here from a distant world known as "Japan." No one knows how or why they leave their homes. The only thing that is certain is that they bring disaster and calamity. The duty of exterminating them without remorse falls to Menou, a young Executioner. When she meets Akari, it seems like just another job...until she discovers it's impossible to kill this girl! And when Menou begins to search for a way to defeat this immortality, Akari is more than happy to tag along! So begins a journey that will change Menou forever...

Gun x Sword
There’s a claw-fisted, genocidal maniac terrorizing the planet of endless illusion, and only Van, a tight-lipped loner in a jet black tuxedo, can bring the scoundrel to justice. Armed with his shape-shifting sword and a mechanized suit of armor, Van hunts the villain who murdered his one true love. With any luck, he’ll find the man he seeks before the sun sets on civilization.

Hell's Paradise
For a chance at a pardon, a ninja assassin joins other condemned criminals on a journey to a mysterious island to retrieve an elixir of immortality.

Bogus Skill «Fruitmaster» ~About that time I became able to eat unlimited numbers of Skill Fruits (that kill you)~
In a world where Skill Fruits grant powers, aspiring adventurer Light is stuck with the useless «Fruitmaster» skill. Eating another one results in death, so no do-overs. Meanwhile, his childhood friend Rena quickly rises to S Rank. But when Light accidentally eats a second Skill Fruit, he survives and discovers his true power: He can consume unlimited Skill Fruits and gain their abilities!

Flip Flappers
How does the world look in your eyes? Papika and Cocona, the heroines of the story, hold the keys to open the door. When the two girls meet, their adventures in a different time and different overlapping dimension called "Pure Illusion" begin. Many things in Pure Illusion will stand in the girls' way on their search for the mysterious crystal called the "Shard of Mimi," an item that is said to grant any wish. However, when the girls find themselves in danger, the Shard of Mimi shines, and they are able to transform.

Basilisk
The story takes place in the year 1614. Two ninja clans, Tsubagakure of the Iga and Manjidani of Kouga, battle each other to determine which grandson of Tokugawa Ieyasu will become the next shogun. The deadly competition between 10 elite ninja from each clan unleashes a centuries-old hatred that threatens to destroy all hope for peace between them.
Why These Anime Are Similar
These recommendations share core qualities with Release the Spyce (2018): Animation and Action & Adventure themes, comparable animation style, and similar narrative pacing. NoBadPicks uses TMDB collaborative filtering, genre matching, and AI analysis to surface anime most likely to resonate with fans of Release the Spyce.
See full details for Release the Spyce (2018)